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Finding the Fourth Proportional to 497,725.60, 748,431.60 and 416,624.80

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Solution

The fourth proportional to 497,725.60, 748,431.60 and 416,624.80 is: 626,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,725.60 : 748,431.60 = 416,624.80 : x
  2. Step 2: Convert to fraction form
    497,725.60/748,431.60 = 416,624.80/x
  3. Step 3: Cross multiply
    497,725.60x = 748,431.60 × 416,624.80
  4. Step 4: Simplify right side
    497,725.60x = 311,815,165,663.68
  5. Step 5: Solve for x
    x = 311,815,165,663.68/497,725.60
  6. Step 6: Final answer
    x = 626,480.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.